Magazine heating-stove



No. 625,I86. Patented May I6, |899.

L. MITISKA.

MAGAZINE HEATING STVE.

(Application med nec. 22, 189s.) (No Model.) 2 Sheets-Sheet I.

Fyf e6 wimwmam M M TH: Norms Patins co, pHoro-umol, wnsrumaow` D. c

No. 625I86. Patented May I6, |899.

L. MmsKA. MAGAZINE HEATING sTovE. (Application med Dec. 22, '1e9a.)

(No Model.) l 2 Sheets-Sheet 2.

i 'L l y I IW l Z1 UNITED STATES PATENT GEFIGE.

LOUIS MITISKA, OF EVANSVILLE, INDIANA.

SPECIFICATION for-ming part of Letters Patent No. 625,186, dated May 16, 1899.

Application led December 22, 1898. Serial No. 699,989. (No model.)

T @ZZ whom it may concern:

Be it known that I, LOUIS MITISKA, a citizen of the United States, residing at Evansville, in the county of Vanderburg and State of Indiana,'have invented certain new and useful Improvements in Magazine Heating- Stoves; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to heating-stoves of `the magazine type; and one object is to provide improved means whereby the draft can be regulated and at all times directed downwardly through the magazine, which depends from the top portion of the stove.

Another object is to provide forpreventing smoke from issuing into the room Where the stove is located when the lid or cover is swung to one side.

Still another object is to provide for automaticallyclosing the bottom of the stove-shell when the ash-pit door is opened, so that an upward draft will not ensue.

With the above-stated objects in view the invention consists in a number of novel features of construction and combinations of parts, the essential elements of which are recited in the appended claims, forming part of t this speciiication, and a preferred form of embodiment of which is illustrated in the accomf panying drawings.

Figure I shows the stove in front elevation. f Fig. II shows the same in central vertical secf Fig. III is a horizontal section taken VIII is a horizontal section taken on the line SVO VIII VIII of Fig. VII.

The shell of the stove is of conventional form and comprises a cylindrical portion d and a contracted lower portion a, which is appropriately combined with an ash-pit a',`

resting on a suitable base. The magazine b depends within the shell and is fastened to a top piece c3, iittin g removably over the upper edge of the stove-shell and having a central opening registering with the interior wall of the magazine, at the upper portion thereof, which is somewhat contracted, as shown at b. The magazine is shown as flanged and bolted to the top; but it may be secured to the same in any suitable manner so as to be readily reears on the cylindrical grate and being manipulative to dump the contents of the latter whenever desirable.

The contracted lower end of the stove-shell normally opens into the ash-pit, as shown in Fig. II; but in order to prevent an upward draft when the door of the ash-pit is opened the following construction is employed: A

` trap-door c of circular form is arranged to fit in a flange on the lower end of the stoveshell, said trap-door having trunnions journaled in ears c', formed on the latter, and being weighted, as shown at c2, on one side of its axis, so that it always has a tendency to close against a suitable lug c" on the shell, just above the flange thereof. One trunnion of this trap-door is extended, as shown at ,c3 in Fig. VIII, and is formed with a crank c4, to the wrist-pin of which a rod-or pitman c5 is jointed, said rod extending slidingly through an opening in the front wallof the ash-pit and having a bent end portion c6. The door d4 of the ash-pit is shown as of the hinged type and provided with a lip a5, which abuts the outer bent end of the rod c5, so that when said dooris closed this lip will hold the trapdoor c open through the connections above described; but as soon as the ash-pit door is opened the weight c2 on the trap-door asserts itself and closes the latter, as shown in Figs. VII and VIII and for the purpose above described. Y

At an intermediate point the magazine is IOO formed with a draft-belt consisting of a oircular series of vertical slots d and a lianged band d', fastened on the outer side of the magazine, so as to encompass said slots and prevent direct communication between the same and the interior of the stove-shell. A radial Iiue d2 is compounded with said band, as more clearly shown in Fig. VI, and projects to the interior wall of the stove-shell, fitting closely against the same around an opening d3 therein, which opening is closed by a hinged door do', having a suitable slidedamper d7. It will be seen that this construction provides for admitting air around the central portion of the magazine, and also provides for giving free access tothe interior of the magazine at its middle portion, there being an opening'd8 formed in the side of the same corresponding approximately in area with the area of the 'flue d2 and the opening d3.

The openin g in the top piece c of the stoveshell is adapted to be closed by a lid, which comprises a circular base-plate e, with a central sunken portion e of proper dimensions to fit the said central opening and formed with segmental draft-openings c" of somewhat limited area. Said lid also comprises a dome e2, formed with a number of comparatively small perforations e3 for inlet of air, and also form ed with a larger opening @4in the rear side, near the bottom. A combined register and checkdamper is arranged in conjunction with this hollow lid structure and comprises a horizontal plate occupying the sunken portion of the base-plate of the lid and centrally pivoted thereto, as shown at f', said plate comprising segmental portions fof considerable extent on opposite sides of the pivot for controlling the draft-openings e". A curved up-I standing damper-plate g for controlling the opening c4 lies closely against the wall of the dome of the lid and is rigidly connected with the register-plate by a bent arm g', springing from one of the segments f. An index-arm f2 springs from the other segment and projects horizontally through a slot f3 in the lid, its pointed end portion extending over an indexstrip h, fastened on the top piece of the stove and appropriately inscribed. When said index-arm is centrally positioned, the draftopenings e" are closed, and the opening e4 is also closed, as clearly shown in Figs. II and III; but when said index-arm is swung to the limit of its movement in one direction (to the left, as shown in Fig. IV) the opening c4 is uncovered, while the openings e remain covered, the segments fbeing of sufficient extent to keep said openings covered during such movement of the pivotal structure. On the other hand,when said index-arm is moved from its middle position in the opposite direction (to the right, as shown in Fig. V) the openings e" are uncovered, while the opening e4 remains covered, as the plate gis of sufficient extent to remain over the opening during such movement.

A flue 'L' rises from the top piece ct, at the rear of the same, and is in free communication with the interior of the stove-shell, said iiue adapted to connect with the chimney and being formed with an opening 1l in its front side, surrounded by a branch flue i2, projecting horizontally toward the lid, and formed at the forward end to make a close connection With the exterior thereof around the opening c4 when `the -lid is in its. closed position. It will be seen that while this condition obtains the said horizontal flue provides an avenue of communication between the openings c4 and i.

The hollow lid is connected with the top piece a by the usual loose form of swivel, as shown at j, which allows for lifting the lid sufficiently to disengage the sunken portion of its bottom plate from the central opening in the top piece and also for a lateral swinging of the lid sufficient to fully uncover said central opening, as shown in Fig. IV. In orderl to prevent issuance of smoke into the room by reason of the uncovering of the end ofthe fluevl2 resultant upon the lateral swinging of the lid, I provide a horizontally-swinging damper 7c, pivoted at one side of the opening c", as shown at k', and a curved arm k2, compounded with one trunnion of said damper and projecting through a slot in the iiue i3 and along the exterior of the lid, as shown in Fig. III, so that when the latter is swung to one side it will carry said arm with it, and thereby move the damper 7c into the opening i', closing the same, as shown in Fig. IV. A projection R4, springing from the exterior of the hollow lid adjacent to the opening e4, is arranged to act against said damper when the lid is swung to its closed position and to thereby displace the same and open comm-unication between the horizontal flue and the smoke-flue, as shown in Fig. III.

It will be seen that by the above-described construction I provide ample means for controlling the draft and copiously supplying air to support combustion, for not only does the lid-register provide for admitting air to pass downwardly through the magazine, but provision is made for admitting air through the side of the stove and into the middle portion of the magazine.

The convenience of the combined lid-register and damper will be apparent as requiring manipulation of but a single index-arm to adjust both simultaneously and to desired relative positions. Moreover, the opening of the check-damper Iiue consequent upon displacing the lid does not necessitate any additional manipulation of a damper to close such flue, for this is automatically effected.

The automatic trap-door arrangement is quite an important adjunct to guard against interruption of the downdraft through the magazine.

It will be seen that the above-described con- IOO struction is well calculated to fulfil the objects primarily stated. However, it is to be understood that the invention is capable of embodiment in other forms than that here shown. For example, the side door in the stove-shell and the intermediate draft-belt of the magazine might be dispensed with, these not being essential to lan operative structure embodying other features of the invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent of the United States,.is

l. In a magazine heating-stove, the combination of a stove-shell having an opening in one side and a damper-equipped door for said opening, a magazine depending within the shell and having an opening confronting the side opening of the latter and also having a series of draft-apertures, a flue extending between the confronting openings in the shell and magazine, and a band compounded with said flue and extendingaround the magazine over the apertured portion thereof.

2. In a stove, the combination of the shell, an ash-pit below the same, a trap-door for closing the lower end of the shell, and a door to the ash-pit adapted when closed to hold said trap-door open, substantially as and for the purpose described.

3. In a stove, the combination of the shell, an ash-pit belowr the same, a trap-door between said shell and ash-pit and weighted to automatically close, and a door to theash-pit operating when closed to open the said trapdoor.

4. In a stove, the combination of the shell, an ash-pit below the same, a trap-door centrally pivoted between the shell and ash-pit and weighted on one side of the pivot, a crank compounded with said trap-door, a slide-rod or pitman connected with said crank and protruding from the ash-pit, and a door for` the latter arranged to abut the said rod in closing and thereby close the trap-door, substantially as and for the purpose described.

5. In a magazine-stove, the combination of an exterior shell, a magazine depending therein and having a dumping-grate at the bottom, a trapdoor below said grate for closing the lower end of said shell, an ash-pit, and an ashpit door arranged when closed to hold said trap-door open, substantially as described.

G. In a magazine-stove, the combination of the exterior shell having a smoke-flue rising from its top and a lateral fine extending from the smoke-flue above the top, a magazine depending from the latter within the shell and opening out of said top, a hollow lid with a perforated dome and an opening comm unicating with the lateral flue and also draft-openings in its bottom, and an adjustable structure comprising a register for said draft-openings and a check-damper for the opening into the lateral line, substantially as described.

7. In a magazine-stove, the combination of the exterior shell having a smoke-due rising from its top and a lateral flue extending from the smoke-flue above the top, a magazine depending from the latter within the shell and opening out of said top, a hollow lid with a perforated dome and an opening communicating with the lateral flue and also draft-openings in its bottom, a segmental register pivotedV to the bottom of said hollow lid, a checkdamper compounded with said register and controlling the opening into the lateral Iiue, and an index-arm projecting from the register through the hollow lid. 4

S. Ina magazine-stove, the combination of a shell, a magazine depending from the top thereof and opening out of the same, a smokeflue rising from the top of the shel1,a flue extending laterally from the smoke-flue over the shell-top, a damper controlling communication between the said flues, a hollow laterallyswinging lid for the magazine-opening having a perforated dome and draft-openings in its bottom and also a side opening communicating with the lateral flue, means for opening the smoke-flue damper by the closing of the lid, and a combined register and check-damper in the lid controlling the bottom and side openings thereof, substantially as described.

9. In a magazine-stove, the combination of a shell, a magazine depending from the top thereof and opening out of the same, a smokeiiue rising from the top of the shell, a ue extending laterally from the smoke-flue over the shell-top, a damper controlling communication between the said flues, a hollow laterallyswinging lid for the magazine-opening having a perforated dome and draft-openings in its bottom and also a side opening communicating with the lateral flue, means for opening the smoke-due damper by the closing of the lid and for closing said damper by the opening of the lid, and a combined register and check-damper in the lid controlling the bottom and side openings thereof, substantially as described.

l0. In a magazine-stove, the combination of a shell, a magazine depending from the top thereof and opening out of the same, asniokedue rising from the top of the shell, a flue extendinglaterally from the smoke-line over the shell-top, a horizontally-swinging damper controlling communication between the said flues and having a crank, a hollow laterallyswinging lid for the magazine-opening having a perforated dome and draft-openings in its bottom and also a side opening communicating with the lateral flue, said lid adapted. to encounter the damper-crank when opened and having a projection to act against the damper when closed, and a combined register and check-damper in the lid controlling the IOO IIO

bottom and side openings thereof, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

Louis MITIsKn.

Vitnesses:

CHARLES DIEKMANN, THnoP. J. MoLL. 

